MIL-PRF-81542C
3.6 Canopy. The life raft design shall incorporate an inflatable canopy system to provide
aircrew protection from sea spray and extreme weather conditions. The canopy shall provide
adequate headroom based on the anthropometric data in table I and shall be made weathertight.
A clear visor or other means shall be incorporated to allow the aircrewman vision when the
canopy is made weathertight. Raft buoyancy shall not be affected by the integrity of the canopy
system. The canopy shall be in a stowed position (tied down) during inflation and shall be
untied by the aircrewman after boarding.
3.7 Sea anchor. A sea anchor shall be incorporated into the raft design to maintain the raft
in a sea environment. The sea anchor shall conform to MIL-A-3339, type I or equivalent. The
sea anchor shall be stowed (held in place) for the aircrewman to deploy after boarding.
3.8 Stowage pockets. Stowage pockets shall be incorporated into the life raft to hold the
strobe light and the radio beacon. The strobe light pocket shall be located on the outside of the
raft for signaling purposes. Stowage pocket dimensions (in inches) shall be as follows:
5 x 3.5 x 1 depth for the strobe light and 8 x 4 x 2 depth for the radio beacon.
3.9 Equipment container attachment. A means shall be provided to secure the survival
equipment container to the inside of the raft.
3.10 Capsize resistance. The life raft shall have ballast bags or other means to provide
stability and capsize resisitance.
3.11 Righting aid. A means shall be provided to right the life raft if it inflates in an
inverted position. The means provided for righting the raft shall be such that it can be activated
by one person in the water.
3.12 Life raft equipment. All lines shall be stowed and secured to prevent entanglement
during launching/inflation of the life raft.
3.13 Color. The color of the life raft surfaces, including the canopy surface, shall
match FED-STD-595, color 35042 (lusterless blue) . High-visibility orange matching
FED-STD-595 color 12197 shall be used on the inside of the canopy for rescue operations.
3.14 Capacity. The life raft shall have adequate capacity for an aircrewman wearing
standard aviation life support equipment including a flight suit, survival vest, inflated life
preserver, and flight boots. Anthropometric characteristics are presented in Table I.
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